The z-score is localeToFixed(ZSCORE, 2).
In other words, person(1)'s score was SOLUTION standard deviation above the mean.
In other words, person(1)'s score was SOLUTION standard deviation below the mean.
In other words, person(1)'s score was SOLUTION standard deviations above the mean.
In other words, person(1)'s score was SOLUTION standard deviations below the mean.